Magazines / Extensions

Magazines / Extensions

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • H&K 10 Round HK USP/Mark 23 .45 ACP, P30 .40 S&W Magazine Spring H&K 10 Round HK USP/Mark 23 .45 ACP, P30 .40 S&W Magazine Spring

    H&K 10 Round HK USP/Mark 23 .45 ACP, P30 .40 S&W Magazine Spring

    H&K Heckler & Koch

    $8.95
    10 Round HK USP/Mark 23 .45 ACP, P30 .40 S&W Magazine Spring  A must-have spare part, as magazine springs are prone to wear and tear. Compatible with: HK USP .45 10 round HK USP .45 Tactical 10 round HK Mark 23 10 round HK 9mm & 40 cal P30...
    HKP-01675
    $8.95
    Qty in Cart: 0
    Quantity:
    Price:
    $8.95
    Subtotal:
  • H&K 30 Round HK MP5/MP5K, SP5K/SP5K 9mm Magazine - RAL8000 H&K 30 Round HK MP5/MP5K, SP5K/SP5K 9mm Magazine - RAL8000

    H&K 30 Round HK MP5/MP5K, SP5K/SP5K 9mm Magazine - RAL8000

    H&K Heckler & Koch

    $80.00
    New OEM Factory German - H&K MP5, SP5, SP5K, MP5K 9mm - 30 Round Curved Magazine  - RAL8000 Heckler & Koch factory fresh magazine from this current year's production. 9mm 30 Round curved all-steel magazine stamped, and painted In Germany...
    HKP-19354
    $80.00
    Qty in Cart: 0
    Quantity:
    Price:
    $80.00
    Subtotal:
  • H&K MP5 & MP5K 9mm Magazine Locking Plate H&K MP5 & MP5K 9mm Magazine Locking Plate

    H&K MP5 & MP5K 9mm Magazine Locking Plate

    H&K Heckler & Koch

    $9.95
    HK MP5, MP5K Magazine Locking Plate - German New steel HK German manufactured MP5, MP5K curved magazine locking plate for the magazine. Compatible with: 40-round magazine 9mm 30-round magazine 9mm 20-round magazine 9mm 15-round magazine 9mm 10-round...
    HKP-01490
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • H&K/HKP 22 Round HK VP40/VP40 Tactical, P30/P30L/P30S .40 Cal Magazine - Black H&K/HKP 22 Round HK VP40/VP40 Tactical, P30/P30L/P30S .40 Cal Magazine - Black

    H&K/HKP 22 Round HK VP40/VP40 Tactical, P30/P30L/P30S .40 Cal Magazine - Black

    HK Parts, Heckler & Koch

    $99.95
    H&K/HKP 22 Round HK VP40/VP40 Tactical, P30/P30L/P30S .40 Cal Magazine - Black HK Parts take an existing 13 round mag the +10 mag extension and assembles them into a working 22 round mag. Each unit comes as a completely assembled VP40/P30 .40 cal 22...
    HKP-19547
    $99.95
    Qty in Cart: 0
    Quantity:
    Price:
    $99.95
    Subtotal:
  • HKP 30 Round HK UMP 10mm Magazine - Black HKP 30 Round HK UMP 10mm Magazine - Black

    HKP 30 Round HK UMP 10mm Magazine - Black

    HKP HK Parts

    $139.95
    UMP, SMG - 30 Round Magazine - USA - 10mm Each 30 round magazine will fit the HK UMP 10mm caliber carbines, SMG's as well as the USC-UMP .40  to 10mm caliber conversions. Each magazine features, steel feed lips, enhanced polymer construction and all...
    HKP-19474
    $139.95
    Qty in Cart: 0
    Quantity:
    Price:
    $139.95
    Subtotal:
  • HKP HK USP, P2000, HK45C Enhanced Magazine Release - Blue HKP HK USP, P2000, HK45C Enhanced Magazine Release - Blue

    HKP HK USP, P2000, HK45C Enhanced Magazine Release - Blue

    HKP HK Parts

    $37.46
    Enhanced Magazine Release - Blue - HK USP, P2000, HK45CNew HK Parts Enhanced and Over-sized Magazine Release. The over-sized magazine release increases the overall surface area and makes it possible to release the magazine without changing the position...
    HKP-19311
    $37.46
    Qty in Cart: 0
    Quantity:
    Price:
    $37.46
    Subtotal:
  • H&K MP5 & MP5K 9mm Magazine Loader H&K MP5 & MP5K 9mm Magazine Loader

    H&K MP5 & MP5K 9mm Magazine Loader

    H&K Heckler & Koch

    $109.95
    German Magazine Loader For MP5 & MP5K - 9mm MagazinesFits the curved 40, 30, 20, 15 & 10 round magazines alike.New HK German manufacture made of steel and will aid in loading all of the curved HK magazine.
    HKP-17013
    $109.95
    Qty in Cart: 0
    Quantity:
    Price:
    $109.95
    Subtotal:
  • HKP HK UMP .45 -  Magazine Compliance Kit

    HKP HK UMP .45 - Magazine Compliance Kit

    HKP HK Parts

    $19.95
    US-Made UMP .45 Compliant Magazine Kit For All UMP .45 Magazines This kit is a drop-in replacement set that will give you two US-compliant parts toward the 922R rules and regulations. It's made from high-impact polymer, just like the factory HK parts...
    HKP-01167
    $19.95
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • ETS 30 Round HK VP9 9mm Magazine - Translucent ETS 30 Round HK VP9 9mm Magazine - Translucent

    ETS 30 Round HK VP9 9mm Magazine - Translucent

    Elite Tactical Systems

    $21.99
    30 Round Magazine - Elite Tactical Systems - 9mm - HK VP9, VP9L MAG FEATURES Fits the Heckler & Koch VP9, VP9L 9mm Extended 30-round capacity Base plates interchangeable with ETS line of 9mm double stack magazines. Due to the wide variety of...
    HKP-19197
    $21.99
    Qty in Cart: 0
    Quantity:
    Price:
    $21.99
    Subtotal:
  • Out Of Stock
    H&K 13 Round HK USPC 9mm Magazine w/ Flat Floor Plate - Black H&K 13 Round HK USPC 9mm Magazine w/ Flat Floor Plate - Black

    H&K 13 Round HK USPC 9mm Magazine w/ Flat Floor Plate - Black

    H&K Heckler & Koch

    $0.00
    13 Round HK USPC 9mm Magazine w/ Flat Floor Plate - Black Perfect for concealed carry or use as a lower profile magazine. Compatible with: HK USP Compact 9mm HK P2000 9mm HK P2000SK (will sit below the bottom of the mag well)
    HKP-02243
    $0.00
    Qty in Cart: 0
    Quantity:
    Price:
    $0.00
    Subtotal:
  • HK UMP (.45 ACP) 25 Round Magazine Body - BODY ONLY HK UMP (.45 ACP) 25 Round Magazine Body - BODY ONLY

    HK UMP (.45 ACP) 25 Round Magazine Body - BODY ONLY

    $34.95
    UMP 45 25 Round Magazine Body Only - USA MadeNew US made UMP .45 cal 25 Round Factory Mag Body. Each magazine body will fit all HK UMP factory firearms as well as the HK USC's that have been converted to accept UMP magazines. Each magazine is made 100%...
    HKP-17020
    $34.95
    Qty in Cart: 0
    Quantity:
    Price:
    $34.95
    Subtotal:
  • Out Of Stock
    F5 MFG 50 Round MP5 9mm Drum Magazine F5 MFG 50 Round MP5 9mm Drum Magazine

    F5 MFG 50 Round MP5 9mm Drum Magazine

    F5 MFG

    $199.00
    HK MP5 & MP5K 9mm - 50 Round Drum New 3rd generation redesigned version. Now offered at an even lower price! You asked for it and the long-awaited and highly anticipated MP5 50 Round Drum Magazine designed for your favorite MP5 or MP5 clone. Each...
    HKP-16537
    $199.00
    Qty in Cart: 0
    Quantity:
    Price:
    $199.00
    Subtotal:
  • H&K HK 17 Round HK VP9 Magazine Locking Plate H&K HK 17 Round HK VP9 Magazine Locking Plate

    H&K HK 17 Round HK VP9 Magazine Locking Plate

    H&K Heckler & Koch

    $8.95
    Magazine Locking Plate for 17 Round Magazine - HK VP9, P30New HK German factory part. This is the locking plate for the bottom of the magazine spring on the newer VP9/P30 17 Round magazine.  
    HKP-19322
    $8.95
    Qty in Cart: 0
    Quantity:
    Price:
    $8.95
    Subtotal:
  • HKP +5 HK USP .40 S&W Magazine Extension - Black HKP +5 HK USP .40 S&W Magazine Extension - Black

    HKP +5 HK USP .40 S&W Magazine Extension - Black

    HKP HK Parts

    $49.95
    HK Magazine Extension +5 Capacity - USP .40 & USP .40 TacticalHKPARTS magazine extension +5 adds 5 additional rounds to the full size USP .40 & USP .40 Tactical, 13 round magazine. It uses the existing mag body, spring, and follower. Just slide...
    HKP-18645
    $49.95
    Qty in Cart: 0
    Quantity:
    Price:
    $49.95
    Subtotal:
  • HKP +5 HK VP9SK/P30SK Magazine Extension Kit - Black HKP +5 HK VP9SK/P30SK Magazine Extension Kit - Black

    HKP +5 HK VP9SK/P30SK Magazine Extension Kit - Black

    HKP HK Parts

    $39.95
    HKP +5 HK VP9SK/P30SK Magazine Extension Kit - Black Adds 5 additional rounds to the HK VP9SK/P30SK 10 Round magazine with the simple swap of the floor plate & high reliability mag spring. This is an easy 2 min. swap. No gunsmithing needed. Made 100%...
    HKP-18494
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • On Sale
    KCI Glock 50-Round  9mm Drum Magazine - Black KCI Glock 50-Round  9mm Drum Magazine - Black

    KCI Glock 50-Round 9mm Drum Magazine - Black

    SGM Tactical

    Now: $49.99
    Was: $69.95
    Note: Firearm shown in picture not included Compatible With: Glock 17, 19, 26, 34 Features: Capacity: 50 Rounds Caliber: 9mm Construction: Polymer/Steel Made in South Korea by KCI PLEASE NOTE: SINCE THIS IS A KOREAN AFTERMARKET MAGAZINE THIS ITEM IS...
    HKP-14321
    Now: $49.99
    Was: $69.95
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $49.99
    Was: $69.95
    Subtotal:
  • Out Of Stock
    H&K 13 Round HK USPC/P2000 9mm Magazine Body H&K 13 Round HK USPC/P2000 9mm Magazine Body

    H&K 13 Round HK USPC/P2000 9mm Magazine Body

    H&K Heckler & Koch

    $27.95
    New HK German 13 round steel magazine body ONLY for the HK USPC & P2000 9mm. Each unit comes with the LEO markings on the mag body. Compatible With: USPC 9mm P2000 9mm
    HKP-02502
    $27.95
    Qty in Cart: 0
    Quantity:
    Price:
    $27.95
    Subtotal:
  • H&K HK 30 Round MP5/SP5 & MP5K/SP5K 9mm Magazine - Tungsten H&K HK 30 Round MP5/SP5 & MP5K/SP5K 9mm Magazine - Tungsten

    H&K HK 30 Round MP5/SP5 & MP5K/SP5K 9mm Magazine - Tungsten

    H&K Heckler & Koch

    $99.95
    New German - H&K MP5, SP5, SP5K, MP5K 9mm - 30 Round Curved Magazine  - TungstenHeckler & Koch factory fresh magazine from this current year's production. 9mm 30 Round curved all-steel magazine stamped "Made In Germany". These are the finest...
    HKP-19977
    $99.95
    Qty in Cart: 0
    Quantity:
    Price:
    $99.95
    Subtotal:
  • H&K MP5 & MP5K 9mm Magazine Floor Plate H&K MP5 & MP5K 9mm Magazine Floor Plate

    H&K MP5 & MP5K 9mm Magazine Floor Plate

    H&K Heckler & Koch

    $10.95
    HK MP5, 94 & MP5K, SP-89 9mm Magazine Floor Plate - German HK New HK German manufacture. It will fit all HK MP5/MP5K magazines.
    HKP-01051
    $10.95
    Qty in Cart: 0
    Quantity:
    Price:
    $10.95
    Subtotal:
  • MKE 30 Round AP5 Magazine MKE 30 Round AP5 Magazine

    MKE 30 Round AP5 Magazine

    MKE

    $49.95
    HK MP5 30 Round Magazine - MKE - AP5 These MKE MP5 30 round magazines are the perfect addition or replacement for your AP5 or MP5 pistol. The MKE magazine features the original MP5 design. Constructed of heat-treated steel for lasting...
    HKP-21184
    $49.95
    Qty in Cart: 0
    Quantity:
    Price:
    $49.95
    Subtotal:
  • HKP +10 HK P30, VP9 Magazine Extension Kit HKP +10 HK P30, VP9 Magazine Extension Kit

    HKP +10 HK P30, VP9 Magazine Extension Kit

    HKP HK Parts

    $64.95
    HKP + 10 HK P30, VP9 Magazine Extension Kit HK Parts +10 magazine extension kit adds 10 additional rounds to the HK VP9/P30 magazine with the simple swap of the floor plate and highly reliable mag spring. This is an easy 2 minute...
    HKP-19455
    $64.95
    Qty in Cart: 0
    Quantity:
    Price:
    $64.95
    Subtotal:
  • Magpul 30 Round HK G36 5.56/.223 Magazine - Black Magpul 30 Round HK G36 5.56/.223 Magazine - Black

    Magpul 30 Round HK G36 5.56/.223 Magazine - Black

    Magpul

    $29.95
    PMag 30G Maglevel For The G36 Variants The PMAG 30G Maglevel (5.56 NATO / .223 Remington) is a durable, lightweight, highly reliable 30-round polymer magazine for the HK G36 series of firearms. Including the SL8 conversions that now use G36 magazines...
    HKP-01740
    $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • H&K 10 Round HK MR762/417 7.62/.308 Magazine - RAL 8K H&K 10 Round HK MR762/417 7.62/.308 Magazine - RAL 8K

    H&K 10 Round HK MR762/417 7.62/.308 Magazine - RAL 8K

    H&K Heckler & Koch

    $59.00
    HK MR762, HK417 10 Round Magazine, RAL8000Genuine HK German 10 round MR762 magazine. Factory fresh & hard to find.Fits all of the following HK rifles: MR 762 HK 417 HK G28
    HKP-18593
    $59.00
    Qty in Cart: 0
    Quantity:
    Price:
    $59.00
    Subtotal:
  • H&K 12 Round HK VP9SK/P30SK 9mm Flush Floorplate Magazine - Black H&K 12 Round HK VP9SK/P30SK 9mm Flush Floorplate Magazine - Black

    H&K 12 Round HK VP9SK/P30SK 9mm Flush Floorplate Magazine - Black

    H&K Heckler & Koch

    $49.00
    New Factory HK VP9SK/P30SK 12 Round Magazine with Flush, Flat Floorplate. 
    HKP-20603
    $49.00
    Qty in Cart: 0
    Quantity:
    Price:
    $49.00
    Subtotal:
  • H&K HK 30 Round MP5/SP5 & MP5K/SP5K 9mm Magazine - FDE H&K HK 30 Round MP5/SP5 & MP5K/SP5K 9mm Magazine - FDE

    H&K HK 30 Round MP5/SP5 & MP5K/SP5K 9mm Magazine - FDE

    H&K Heckler & Koch

    $99.95
    New German - H&K MP5, SP5, SP5K, MP5K 9mm - 30 Round Curved Magazine  - FDEHeckler & Koch factory fresh magazine from this current year's production. 9mm 30 Round curved all-steel magazine stamped "Made In Germany". These are the finest...
    HKP-19974
    $99.95
    Qty in Cart: 0
    Quantity:
    Price:
    $99.95
    Subtotal:
  • Elite Tactical Systems 10 Round MP5 9mm Magazine-Translucent Elite Tactical Systems 10 Round MP5 9mm Magazine-Translucent

    Elite Tactical Systems 10 Round MP5 9mm Magazine-Translucent

    Elite Tactical Systems

    $39.95
    HK MP5 9mm 10 Round Translucent Magazine MAG FEATURES Fits the H&K MP5, MP5K, HK94, SP89, SP5K Works with ETSCAM-RIFLE speed loader Extremely reliable feeding - Even with hollow points Far lighter than steel magazines Fits standard MP5 mag pouches...
    HKP-18740
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • GSG9 HK G36 Mag Well - Black GSG9 HK G36 Mag Well - Black

    GSG9 HK G36 Mag Well - Black

    GSG9

    $58.95
    HK G36 Magazine Well Allows Use Of All factory G36 & Magpul G36 Magazines. Fits all 30 round, 10 round & 100 round magazines & drums. Made from high impact polymer. HK G36 HK G36K HK G36C Clones or other customer builds
    HKP-18220
    $58.95
    Qty in Cart: 0
    Quantity:
    Price:
    $58.95
    Subtotal:
  • HKP 30 Round HK 416/COLT M4 .22 Magazine Spring

    HKP 30 Round HK 416/COLT M4 .22 Magazine Spring

    HKP HK Parts

    $3.95
    HK 416 & Colt .22 30 Round Magazine Spring HK 416 .22 rifle as well as the Colt .22 Rifle. A good supply of spare mag springs is a must. These are ideal to have on hand as the spring can become damaged or worn out. New fresh production mag spring...
    HKP-14409
    $3.95
    Qty in Cart: 0
    Quantity:
    Price:
    $3.95
    Subtotal:
  • Magpul 20 Round PMAG M3 Magazine Magpul 20 Round PMAG M3 Magazine

    Magpul 20 Round PMAG M3 Magazine

    Magpul

    $23.49
    Magpul PMAG 20-LR 20-Round 7.62 NATO The 7.62x51 NATO (.308 Winchester) PMAG 20LR is a cost-effective, highly reliable magazine for SR25/M110 pattern rifles featuring a 20-round capacity, constant-curve body, and snap-on impact/dust Cover. Designed...
    HKP-01651
    $23.49
    Qty in Cart: 0
    Quantity:
    Price:
    $23.49
    Subtotal:
  • HKP 22 Round HK VP9, HK P30 9mm Complete Magazine - Red HKP 22 Round HK VP9, HK P30 9mm Complete Magazine - Red

    HKP 22 Round HK VP9, HK P30 9mm Complete Magazine - Red

    HKP HK Parts

    $79.95
    22 Round Magazine Complete - Red Extension & Red Follower - 9mm - HK PARTS - HK VP9, HK P30HKPARTS +5 magazine extension coupled with a 17 round factory German magazine body adds 5 additional rounds total for a fully assembled 22 round HK VP9/P30...
    HKP-19414
    $79.95
    Qty in Cart: 0
    Quantity:
    Price:
    $79.95
    Subtotal:
  • HKP HK UMP (.40 S&W) 30 Round Magazine HKP HK UMP (.40 S&W) 30 Round Magazine

    HKP HK UMP (.40 S&W) 30 Round Magazine

    HKP HK Parts

    $49.95
    UMP, SMG .40 Cal - 30 Round MagazineEach 30 round magazine will fit all HK UMP .40 caliber carbines, SMG's as well as the USC-UMP .40 caliber conversions. Each magazine features, steel feed lips, enhanced polymer construction and all correct updated...
    HKP-17583
    $49.95
    Qty in Cart: 0
    Quantity:
    Price:
    $49.95
    Subtotal:
  • HKP HK VP9SK/P30SK Magazine Pinky Rest HKP HK VP9SK/P30SK Magazine Pinky Rest

    HKP HK VP9SK/P30SK Magazine Pinky Rest

    HKP HK Parts

    $22.95
    HKP HK VP9SK/P30SK Magazine Pinky Rest  This machined floorplate allows the user to quickly swap the floorplate to add a finger rest for the pinky on a standard VP9SK & P30SK 10-round magazine. Why settle for cheap plastic or 3D-printed...
    HKP-17853-M
    $22.95
    Qty in Cart: 0
    Quantity:
    Price:
    $22.95
    Subtotal:
  • H&K 28 Round HK USPC/P2000 9mm Magazine - Black H&K 28 Round HK USPC/P2000 9mm Magazine - Black

    H&K 28 Round HK USPC/P2000 9mm Magazine - Black

    HKP HK Parts

    $74.95
    New HK German USPC, P2000 Magazine body combined and pre-installed along with the HK Parts 28 round mag extension kit fully installed. Each offering is a complete, fully assembled, ready for the range 28 round 9mm magazine. This offering is a valuable...
    HKP-17203
    $74.95
    Qty in Cart: 0
    Quantity:
    Price:
    $74.95
    Subtotal:
  • H&K HK USP Jet Funnel 9mm / .40 S&W Magazine Spring

    H&K HK USP Jet Funnel 9mm / .40 S&W Magazine Spring

    H&K Heckler & Koch

    $9.95
    Latest Production Longer, Stronger Spring For All HK Jet funnel Magazines. At last this elusive part has been found.Limited supplies available on this hard to find spring. Great replacement for all HK USP jet funnel magazines. Stock up now as there is a...
    HKP-02508
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • H&K/HKP 22 Round HK VP9SK/P30SK Magazine Complete - Black H&K/HKP 22 Round HK VP9SK/P30SK Magazine Complete - Black

    H&K/HKP 22 Round HK VP9SK/P30SK Magazine Complete - Black

    HK Parts, Heckler & Koch

    $89.95
    22 Round Magazine with Black +10 Extension - 9mm - HK VP9SK & P30SK Ideal for competitive shooters that would like a 22 round robust steel and alloy magazine. Each mag comes fully assembled and ready for use. HK Parts takes an existing 10 round...
    HKP-20067
    $89.95
    Qty in Cart: 0
    Quantity:
    Price:
    $89.95
    Subtotal:
  • On Sale
    Magpul 35 Round CZ Scorpion EVO 9mm Magazine - Black Magpul 35 Round CZ Scorpion EVO 9mm Magazine - Black

    Magpul 35 Round CZ Scorpion EVO 9mm Magazine - Black

    Magpul

    Now: $14.95
    Was: $19.95
    Magpul CZ Scorpion PMAG 9mm - 35 Round The PMAG 35 EV9 is a lightweight, 35-round, 9x19mm CZ Scorpion EVO 3-compatible magazine. The PMAG 35 EV9 provides optimal round stack geometry, giving the large format pistol, PCC, and SMG market a pistol caliber...
    HKP-19283
    Now: $14.95
    Was: $19.95
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $14.95
    Was: $19.95
    Subtotal:
  • H&K 12 Round HK USPC, HK P2000 .40 S&W Magazine - Black H&K 12 Round HK USPC, HK P2000 .40 S&W Magazine - Black

    H&K 12 Round HK USPC, HK P2000 .40 S&W Magazine - Black

    H&K Heckler & Koch

    $69.95
    12 Round HK USPC & HK P2000 .40 S&W Magazine - Black Low-profile magazine for concealed carry or a lower profile. Each is brand new old stock and may or may not be LEO marked on the magazine body. Compatible with: HK USP Compact .40 S&W HK...
    HKP-02244
    $69.95
    Qty in Cart: 0
    Quantity:
    Price:
    $69.95
    Subtotal:
  • Out Of Stock
    H&K HK P30, HK VP 9mm / 40S&W Magazine Loader - Black H&K HK P30, HK VP 9mm / 40S&W Magazine Loader - Black

    H&K HK P30, HK VP 9mm / 40S&W Magazine Loader - Black

    H&K Heckler & Koch

    $0.00
    H&K HK P30, HK VP 9mm / 40S&W Magazine Loader - Black Compatible with: HK VP9, VP40, VP9SK, VP40SK HK P30, P30S, P30L, P30SK 9mm HK P30, P30S, P30L, P30SK .40 Cal HK USP Compact 9mm, .40 cal & .357 Sig models HK P2000 9mm, 40 cal & ...
    HKP-01164
    $0.00
    Qty in Cart: 0
    Quantity:
    Price:
    $0.00
    Subtotal:
  • Total: items /

Adding your products to cart