Magazines / Extensions / Brass Catchers

Magazines / Extensions / Brass Catchers

Explore our extensive selection of HK magazines and extensions designed for enhanced capacity and performance across a range of HK models including the VP9, USP, MP5, and more. From rugged steel magazines to advanced polymer extensions, our inventory caters to both tactical and recreational needs, ensuring reliable feeding and durability. Enhance your HK firearm with precision-engineered magazine upgrades, available now for various calibers and applications.

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  • On Sale
    New - H&K 91/G3/MSG90 (7.62x51/.308) 10 Round Magazine - Steel - Blue Floor Plate - HKP-18794 HK91, G3, PSG1, MSG90 Magazine - 7.62 / .308 - 10 Round - US Blue Floorplate
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    HK91, G3, PSG1, MSG90 Magazine - 7.62 / .308 - 10 Round - US Blue Floorplate

    H&K Heckler & Koch

    Now: $37.46
    Was: $79.95
    H&K 91/G3/MSG90 (7.62x51/.308) 10 Round Magazine - Steel - Blue Floor Plate 10 Round German Steel 308 Magazine with blue US made floorplate (Counts as one US made Part for 922r compliance) for HK Rifles. This magazine is made by Heckler and Koch...
    Now: $37.46
    Was: $79.95
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  • On Sale
    New - HKP 15 Round HK45 E2 Magazine - HKP-21803-M HKP 15 Round HK45 E2 Magazine
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    HKP 15 Round HK45 E2 Magazine

    HKP HK Parts

    Now: $91.16
    Was: $113.95
    HKP - 15 Round HK45 E2 Magazine  HK45 & HK45 Tactical +5 magazine extension. Paired with a new HK German 10 round HK45 magazine for a total capacity of 15 rounds. Ideal for competition shooters that would like a higher magazine capacity...
    Now: $91.16
    Was: $113.95
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    Was: $113.95
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  • Out Of Stock
    On Sale
    New - B&T Magazine Slim Bumper Upgrade Kit - HKP-21712 B&T APC9/TP9/SPC9 Magazine Slim Bumper Upgrade Kit

    B&T APC9/TP9/SPC9 Magazine Slim Bumper Upgrade Kit

    B&T Brugger & Thomet

    Now: $18.00
    Was: $20.00
    B&T Magazine Slim Bumper Upgrade Kit This magazine upgrade kit enhances the durability of your 9mm magazines, providing extra protection for the base. The kit features a two-piece base plate that reinforces the bottom of the magazine, covered with a...
    Now: $18.00
    Was: $20.00
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    Was: $20.00
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  • On Sale
    New - Strike Industries HK VP9 EMP Pocket Clip - HKP-21303-M HK VP9 EMP Pocket Clip
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    HK VP9 EMP Pocket Clip

    Strike Industries

    Now: $8.96
    Was: $9.95
    Strike Industries EMP Pocket Clip The Strike Industries EMP Pocket Clip gives you a quick and easy way to carry a spare pistol magazine for when you need it. The clip can also help hang or organize magazines in a range bag or safe. Offered for either...
    Now: $8.96
    Was: $9.95
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  • On Sale
    New - H&K 10 Round HK VP40/P30/P30L Magazine Floor Plate - Black - HKP-02570 HK VP, P30, P30L Magazine Floorplate - .40 S&W - 10 Round
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    HK VP, P30, P30L Magazine Floorplate - .40 S&W - 10 Round

    H&K Heckler & Koch

    Now: $8.96
    Was: $9.95
    10 Round HK VP40, P30, & P30L Magazine Floor Plate Compatible With: HK P30 .40 HK P30L .40 HK VP40
    Now: $8.96
    Was: $9.95
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  • On Sale
    New - H&K 8 Round HK USPC/45C .45 ACP Magazine Body - Black - HKP-16323 HK45C, USPC Magazine Body - 8 Round
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    HK45C, USPC Magazine Body - 8 Round

    H&K Heckler & Koch

    Now: $44.96
    Was: $49.95
    H&K 8 Round HK USPC/45C .45 ACP Magazine Body A great spare to have on hand in the event that you damage or dent your magazine body. This is the mag body as shown not the complete magazine. Compatible With: HK45 Compact HK USP Compact 45 ACP
    Now: $44.96
    Was: $49.95
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  • On Sale
    New - HKP HK UMP Floor Plate - Black - HKP-17161 HK UMP Magazine Floorplate - 9mm / .40 S&W / .45 ACP
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    HK UMP Magazine Floorplate - 9mm / .40 S&W / .45 ACP

    HKP HK Parts

    Now: $6.36
    Was: $7.95
    HKP HK UMP Floor Plate Compatible With: UMP .45 UMP .40 UMP 9mm These can become cracked or broken with use or drops onto hard surfaces. Made in the USA and counts as 1 US compliant part.
    Now: $6.36
    Was: $7.95
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  • On Sale
    New - H&K UMP (.40 S&W) 30 Round Magazine - HKP-00607 HK UMP (.40 S&W) 30 Round Magazine
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    HK UMP (.40 S&W) 30 Round Magazine

    H&K Heckler & Koch

    Now: $71.95
    Was: $79.95
    HK German UMP .40 cal 30 Round Factory Magazine New factory fresh production HK magazine. Compatible With: HK UMP .40 HK USC-UMP conversions LWRC SMG.40
    Now: $71.95
    Was: $79.95
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    Was: $79.95
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  • On Sale
    Used - HK G3 .22 20 Round Conversion Magazine - BLEMISHED - HKP-20750-B
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    HK91, G3 Conversion Magazine - .22LR - 20 Round - BLEMISHED

    H&K Heckler & Koch

    Now: $112.46
    Was: $199.95
    H&K Heckler & Koch's Conversion Magazine for HK91, G3 - Conversion Kit - 20 Round - BLEMISHED CONDITION MAY VARY. DENTS VISIBLE BUT MAGAZINES ARE STILL FUNCTIONAL. REFER TO PHOTOS TO ASCERTAIN CONDITION. Priced for ONE Conversion Magazine -...
    Now: $112.46
    Was: $199.95
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    Was: $199.95
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  • On Sale
    New - H&K HK21 50 Round Belt with Starter Tab - HKP-22098 HK23, HK21, HK11 Ammunition Belt with Starter Tab - 50 Round
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    HK23, HK21, HK11 Ammunition Belt with Starter Tab - 50 Round

    H&K Heckler & Koch

    Now: $35.96
    Was: $39.95
    H&K HK21 50 Round Belt with Starter Tab - 7.62x51/.308 Custom 50 round belt for HK21 and MG3 belt-fed rifles. Compatible With: HK 23/21/11
    Now: $35.96
    Was: $39.95
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  • Out Of Stock
    On Sale
    New - H&K MR762/417 Magazine - 5 Round - HKP-22013 HK417, MR762 Magazine - 5 Round

    HK417, MR762 Magazine - 5 Round

    H&K Heckler & Koch

    Now: $62.06
    Was: $68.95
    H&K 5 Round MR762/417 Magazine 5-round magazine for the MR762 and HK417.  Compatible With: MR762 HK417
    Now: $62.06
    Was: $68.95
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    Was: $68.95
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  • On Sale
    New - HKP HK UMP 45 (.45 ACP) 15 Round Magazine Spring - HKP-21297
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    HK UMP Magazine Spring - .45 ACP - 15 Round

    H&K Heckler & Koch

    Now: $8.96
    Was: $9.95
    HKP HK UMP 45 15 Round Magazine Spring: UMP 45 (.45 ACP) 15 round magazine replacement spring. Perfect for spares as these are a consumable item that needs to be replaced from time to time. 
    Now: $8.96
    Was: $9.95
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