HK Rifle
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$68500RCM HK STYLE 11 Barrel, 14.500 Long RCM HK Style 11 Barrels are made from Mil-Spec 41V50 CHF blanks that are fully Salt Bath Nitrided for optimal wear and corrosion resistance. These are a hybrid barrel with the E cut barrel face. Will work with standard 21 kits as well as 11, 11A1, 11E, These are stripped so you will need to add your own hardware. Compatible With:
- HK11, 11A1, 11E
- HK 21
- Material: 41V50 CHF
- Twist rate: 1:10
- Length: 14.500
- Salt Bath Nitride inside/out
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$68500RCM HK21 Barrel RCM HK21 Barrels are made from Mil-Spec 41V50 CHF blanks that are fully Salt Bath Nitrided for optimal wear and corrosion resistance. These barrels are the finest out there to complete your HK21/FMP or HK11 build. These are stripped so you will need to add your own hardware. Compatible With:
- HK21, 21E, and FMP HK21's
- HK11 & 11A1
- Material: 41V50 CHF
- Twist rate: 1:10
- Length: 17.70"
- Salt Bath Nitride inside/out
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$85000Only the finest blanks in the industry can produce the best results on the range. Schneider Barrel Company makes that blank. Double Stress Relieved 416R Stainless Steel, P-5 Polygonal Rifle Form that is unique in design. 1:10 Twist, Hand Lapped, Crisp, Sharp Target Crown. 25.500 Overall Length, Chambered in 7.62 NATO, Fluted, Natural Stainless Finish ready for Cerakote. This barrel will work perfectly with standard G3/91 trunnions, G3 barrel extensions or with RCM's longer Trunnion. This is the Cadillac Barrel for your PSG1 build
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$27500RCM is releasing a Brand New Barrel for the Pre-G3 HK M/61 Parts Kits that are now available. This Cold Hammer Forged Barrel is made from a Mil-Spec 41v50 Blank, 1:10 Twist, 17.700 long, Nitride inside out. These barrels are top of the line. 7.62 Nato Chambers with 12 flutes. Not another barrel out there even comes close to this.
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$28500RCM acquired a very rare HK SR9 Barrel to reproduce. We improved upon it by making it off a Cold Hammer Forged Barrel, 1:10 Twist. These barrels are top of the line. We stepped it up by including a Recessed Target Crown. Chambered in 7.62 Nato Chamber with 12 Flutes. Nitrided inside and out. Not another barrel out there even comes close to this. Being 19.250 will increase muzzle velocities over 100 ft. per. sec. over a standard 91. The SR9-T has an Industry Standard 5/8-24 Thread along with the Recessed Target Crown for .30 Cal
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$26500Machined by RCM from a Mil-Spec 41V50 Hammer Forged Blank. These blanks are considered to be one of the finest made. 1:10 twist, Nitride finish. Perfect for that HK build or to replace that shot out barrel. Each barrel counts as 1 US compliant part as an added bonus.
- Machined from a CHF Blank
- 922r Compliant 1 US part
- Built to HK German Specifications
- Nitride Finish (same finish Glock & Sig use on their barrels)
- Overall Length - 17.7 inches
- Chambered - 7.62 x 51 NATO
- Factory Correct 1 in 10 barrel twist
- 12 flutes in chamber to HK specifications
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Knurled Sight Ring
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Threaded 15 X 1 Right Hand To accept all factory flash hiders/compensators.
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$26500Machined by RCM from a Mil-Spec 41V50 Hammer Forged Blank. These blanks are considered to be one of the finest made. 1:10 twist, Nitride finish. Perfect for that HK build or to replace that shot out barrel. Each barrel counts as 1 US compliant part as an added bonus. Grenade rings machined into the profile to give it the look of a factory barrel. This barrel will require a MP5 Style Front Sight.
- Machined from a CHF Blank
- 922r Compliant 1 US part
- Nitride Finish (same finish Glock & Sig use on their barrels)
- Overall Length - 17.7 inches
- Chambered - 7.62 x 51 NATO
- Factory Correct 1 in 10 barrel twist
- 12 flutes in chamber to HK specifications
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Threaded 5/8-24 to fit US flash hiders/compensators.
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$24500
HK G3K Barrel
US RCM Manufactured G3K Barrel. Made from the exact G3K barrel specifications and material. Direct replacement for your shot out G3K barrel or for that HKG3K build. Counts as one US compliance part as well.G3K CHF Barrel:- 12.69 inches long
- 1:10 twist
- Chambered 7.62 NATO
- 15 X 1 RH threaded barrel
- 12 flutes in chamber similar to HK German barrels.
- Knurled sight ring.
- 41V45 cold hammer forged (CHF) barrel steel.
- Nitride Black (same process Sig Sauer/Glock uses on their barrels.)
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$16500
HK 51 Barrel- Cold Hammer Forged- Nitrided
US Manufactured RCM HK51 cold hammer forged barrel. Made to the correct HK51 barrel specifications using HK's tried & true cold hammer forged processes. Each barrel is then treated with the super hard & durable "Nitride" finish. As an added bonus each barrel counts as one US made part for 922R compliance.HK51 CHF Barrel:- 8 3/8 inches long
- 1:10 twist
- Chambered 7.62 NATO
- 12 flutes in chamber -Just like HK German barrels.
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Knurled sight ring
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Splined barrel for proper flash hider attachment
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Threaded 15 X 1 RH (correct HK thread)
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41V45 cold hammer forged (CHF) barrel steel.
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Nitride Black (same process HK/Sig & Glock use on their barrels.)
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U.S. Made Barrel counts as one 922 compliant part
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$28500RCM HK Style 21 Trunnion. As with all RCM products there are no finer US made trunnions available. The factory Trunnion was put through destructive metal testing to determine proper material and heat treat. No corners cut in making these. Matches up perfectly with our 21 Barrel. Some of the kits that are coming in have worn out galled up Trunnions that should be replaced. Don't hesitate on installing a new one.
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$14000RCM trunnion for custom PSG1, MSG90, & other custom HK91/G3 type builds. Machined completely from ordnance grade 9310 enhanced steel and heat treated to exact HK specifications. This item is the best USA made trunnion on the market. As with all RCM products there are no finer US made trunnions available.











