Geissele Wins Customs and Border Protection Contract – The Guns Blog


Automatic Geisslele won a contract for provide AR-15 rifles to Customs and Border Protection (CBP). This new contract includes both complete rifles and upper receiver groups. Let’s take a look at the specifics of this contractand what it could mean for future civilian Geissele bids.

Geissele @ TFB:

CBP has upgraded its arsenal over the past few years. They recently upgraded from .40 S&W to a range of 9mm Parabellum Glocks including the G26, G19 MOS and only for CBP G47. Various BCM tops have also been photographed recently on CBP pistols.

This BCM connection appears to be acknowledged in this contract solicitation, which specifically mentions several BCM products. These BCM items include barrels, handguards, and charging handles. The new contract (which Geissele won) stipulates that the performance must match or exceed that of the BCM parts.

Shared Features

The contract specifically provides certain parts and features for all rifles. Stocks will all be collapsible models compatible with mil-spec buffer tubes. Stocks must meet or exceed the performance of Magpul CTR and/or BCM Gunfighter stocks. No sling mounting points should be included in the receiver end plate. H2 buffers have the minimum weight specified in the statement of work.

Three triggers are specified, two for automatic rifles and one for semi-autos. The only semi-automatic trigger is a non-adjustable single-stage unit that must meet or exceed a polished nickel trigger BCM. One-step and two-step automatic triggers are specified.

All rifles and rods must be delivered in black. Ambidextrous safeties are required for semi-automatic and fully automatic rifles. No sights shall be included with contract rifles or rods. A2 flash hiders, 1/2×28 threaded, are required on all contract guns. All barrels must be cold forged, chrome lined, with a 1:7 twist. The bolt carrier groups for all contract rifles and rods are full automatic style, which is the de facto industry standard these days. Keeping auto carriers in all guns also helps simplify the logistical footprint of this contract. All top receivers should include the front assist assembly (no doubt much to the chagrin of some front assist haters on ARFCOM).

Excerpt from the Statement of Work document, which sets out the specific criteria for the elements of the contract

Contract configurations

The contract lists three rifle and rod variants: the Short Barrel Rifle, the Standard Patrol Rifle, and the Designated Marksman Rifle.

Short Barrel Rifle (SBR)

The SBR will have an 11.5 inch barrel with a carbine length gas system and an approximately 10 inch handguard. The contract lists a range of allowable lengths that would typically be referred to as 10″ handguards. Geissele sells 11.5 inch rods and complete guns that roughly line up with the CBP contract guns, with the obvious difference of a stock instead of an arm brace. The CBP contract includes selective-fire and semi-automatic SBRs. Although the contract requires A2 flash hiders, muzzle devices capable of mounting SureFire suppressors are also specified in the contract.

Geissele wins customs and border protection contract

Geissele 11.5″ Super Duty pistol, which is somewhat analogous to the CBP SBR (image from

Geissele wins customs and border protection contract

Geissele 11.5″ Upper Receiver Group (image from

Standard Patrol Rifle (SPR)

The SPR (not to be confused with the OG Mk12) is a carbine with a 14.5″ barrel with a mid-length gas system and a ~13″ handguard. The CBP contract includes both selective-fire and semi-automatic SPRs. This is likely to be the most common variant of the contract.

Geissele wins customs and border protection contract

Geissele Super Duty 14.5″ rifle, which is roughly analogous to the CBP SPR (image from

Geissele wins customs and border protection contract

Commercial Geissele 14.5″ rod, which is somewhat similar to the CBP SPR rod (image from

Designated Marksman Rifle (DMR)

The DMR is unique in that it does not match any current Geissle offering. The longest barrel currently offered by Geissele is 16 inches, but the DMR requires an 18-20 inch barrel with a rifle length gas system. While a 1:7 twist is required for the SBR and SPR, the DMR has the option of a 1:7 or 1:8 twist. Strangely, the DMR requires a government profile barrel. It’s one of the worst possible profiles, but it’s a very common profile, so it’s a known quantity. An M-4 barrel extension is specified for the DMR and for all other rifles. Some 20 inch barrels on the market use M-16 feed ramps, but keeping the M-4 ramps makes more sense and simplifies logistics.

The required approximately 15 inch handguard has a maximum allowable weight of 9.5 ounces without mounting hardware. It’s much lighter than any current Geissele handguard. The lightest 15″ option currently featured on their website is the Mk14, which weighs 11.6 ounces without mounting hardware. Time will tell which handguard appears on the DMR contract. No select-fire DMR was requested in the contract, which makes sense for a sniper rifle.


This is not an exhaustive review of the CBP contract, but we should have a good idea of ​​what the new Geissele rifles will look like. The contract also included other support services, including training of gunsmiths by the manufacturer. The tentative end date of this contract is January 2023, although extensions are possible. Maybe we’ll see a sample CBP rifle at SHOT 2023.

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